n = int(input())
a = list(map(int, input().split()))
a.sort()

xorsum = 0
current_length = 0
prev = None

for num in a:
    if prev is None:
        current_length = 1
    else:
        if num == prev + 1:
            current_length += 1
        else:
            xorsum ^= (current_length % 2)
            current_length = 1
    prev = num

xorsum ^= (current_length % 2)

print("First" if xorsum else "Second")